Harris County Tax Office Forms. Automotive Property Tax Special Permit Taxes VoterRegistration Miscellaneous.Standard OREA forms and clauses, including knowledge resources, for use in Ontario real estate residential and commercial transactions. A contract is not the place to spell out what an MLS is, how offers might be presented, or the pros and cons of a seller reading a supplemental offer letter. Finally, have the seller sign and print their name to finalize the document. imageSign. How to fill out the Bill of Sale for Motor Vehicle in Harris County? Texas Motor Vehicle Tax Forms. The forms listed below are PDF files. For Harris County Appraisal District, most businesses will need to file the general rendition form, 22.15. The compensa=on sec=on of this agreement (see below) should be filled out in the same manner as the.